Use the following to answer questions :
y varies directly with x;
y = 8.4 when x = 24.
-The amount of money Molly's parents give her for reading varies directly with the number of pages she reads. Molly receives $2.50 for reading 125 pages.
(a) What is the constant of variation?
(b) Write the variation equation.
(c) How much will Molly receive for reading 150 pages?
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